Recognised as Colour
#054A51
- #054A51
- Cyan
- Dark
- Nearest: Dark slate grey
#054A51 is a cyan with RGB values 5, 74, 81 and HSL 186°, 88%, 17%. It is a dark colour, so white text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#054A51#054A51
HEX#054A51
RGBrgb(5, 74, 81)
RGB (0–1)0.0196, 0.2902, 0.3176
RGB percentages2%, 29%, 31.8%
HSLhsl(185.5, 88.4%, 16.9%)
HSV / HSBhsv(185.5, 93.8%, 31.8%)
CMYK93.8%, 8.6%, 0%, 68.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer346,705
CSS custom property--colour: #054A51;
Brightness & contrast
Relative luminance0.05524WCAG 2.x, 0 is black and 1 is white
Perceived brightness63 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.98:1
Contrast with white9.98:1WCAG normal text: AAA
Contrast with black2.1:1WCAG normal text: Fail
Greyscale equivalent#3C3C3C
Inverted#FAB5AE
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.98:1WCAG large text: AAA
Contrast with black, large text2.1:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#510C05
Analogous#055132, #052451
Triadic#51054A, #4A5105
Split complementary#510524, #513205
Tetradic#320551, #510C05, #245105
Tints, shades & saturation
Channel breakdown
R5
G74
B81
Red5 (2%)
Green74 (29%)
Blue81 (31.8%)
Hue185.53°
Saturation (HSL)88.37%
Lightness16.86%
Dominant channelBlue
Hex per channelR 05 · G 4A · B 51
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